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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $29,213 | 12,915 | 12,915 |
| 2006 | $13,295 | 788 | 788 |
| 2007 | $24,025 | 2,543 | 2,543 |
| 2008 | $98,144 | 27,031 | 27,031 |
| 2009 | $149,135 | 18,691 | 18,691 |
| 2010 | $171,185 | 54,352 | 54,352 |
| 2011 | $302,183 | 103,187 | 103,187 |
Note: Quantity represents Weight in kilograms
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